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<html><body><p>This example uses the HTML DOM to assign an "ontoggle" event to a details element.</p><p>Open the details.</p><details id="myDetails"><summary>Copyright 1999-2014.</summary><p> - by Refsnes Data. All Rights Reserved.</p><p>All content and graphics on this web site are the property of the company Refsnes Data.</p></details><script>document.getElementById("myDetails").ontoggle = function() {myFunction()};function myFunction() { alert("The ontoggle event occured");}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_ontoggle_dom by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:40:05 GMT --></html>